Curvature perturbations from broken symmetries

Curvature perturbations from broken symmetries
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对称性破缺引起的曲率扰动

DOI:
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发表时间:
2004
期刊:
影响因子:
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通讯作者:
A. Vallinotto
A. Vallinotto
中科院分区:
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文献类型:
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作者:
E. Kolb;A. Riotto;A. Vallinotto

文献摘要

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我们提出了一个新的一般机制来产生曲率扰动结束后的慢滚阶段的暴涨。我们的模型基于一个简单的假设,即潜在的推动通货膨胀的特征是潜在的全球对称性,而这种对称性略有被打破。
We present a new general mechanism to generate curvature perturbations after the end of the slow-roll phase of inflation. Our model is based on the simple assumption that the potential driving inflation is characterized by an underlying global symmetry which is slightly broken.